[PATCH v2] Add x86 32 bit vDSO time function support
Adhemerval Zanella
azanella@linux.vnet.ibm.com
Fri Nov 14 19:19:00 GMT 2014
On 05-11-2014 14:22, Nathan Lynch wrote:
> On 11/05/2014 06:51 AM, Adhemerval Zanella wrote:
>> On 03-11-2014 21:51, Nathan Lynch wrote:
>>>> i386 does not define HAVE_CLOCK_GETTIME_VSYSCALL and thus:
>>>>
>>>> sysdeps/unix/sysv/linux/clock_gettime.c:
>>>>
>>>> 26: # define INTERNAL_VSYSCALL INTERNAL_SYSCALL
>>>>
>>>> and then if INTERNAL_GETTIME is not defined, it will as:
>>>>
>>>> 37 #ifndef INTERNAL_GETTIME
>>>> 38 # define INTERNAL_GETTIME(id, tp) \
>>>> 39 INTERNAL_VSYSCALL (clock_gettime, err, 2, id, tp)
>>>> 40 #endif
>>>>
>>>> And without proper set the PTR_DEMANGLE is not called either.
>>> I think my point might be better expressed as: why is INTERNAL_GETTIME
>>> defined in linux/clock_gettime.c at all? It is not used in the
>>> clock_gettime implementation.
>>>
>>> The only use in glibc of a macro by that name is in
>>> linux/timespec_get.c, and the arch can override it in its own
>>> timespec_get.c (as x86_64 currently does).
>>>
>> I see your point and I removed its definition now for x86. Below it's the revised
>> patchset.
>
> I have no further concerns, thanks.
>
Ping, is this patch ok to commit?
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